Granted Patent
Utility
US 5,950,615 · App. 08/787,531
Poultry house heater
Inventors:
Gary L. Anderson, Bryan K. Cofer
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Jan 21, 1997
Inventors
Gary L. Anderson
Bryan K. Cofer
Assignees (at issue)
Sibley Industries, Inc.
Lincoln Brass Works, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.